... Isomerization of Chalcones into Flavanones in Methyl Cellosolve~ Phosphoric Acid MUNEKAZU IINUMA,* SHIN MATSUURA, and TOSHIYUKI TANAKA Gifu College of Pharmacy, 5767] Mitahora-higashi, Gifu 502, Japan (Received August 12 ... 7) M. Iinuma, S. Matsuura, and K ...